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Search Results: 1 - 10 of 235 matches for " Prashanth Sangannavar "
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Genetic improvement of fibre traits in diploid cotton (G. herbaceum L.) through interspecific hybridization using G. barbadense tetraploid species
V. M. Choudki, Prashanth Sangannavar, Savita, S. G., B. M.Khadi., H. M. Vamadevaiah and I. S. Katageri
Electronic Journal of Plant Breeding , 2012,
Abstract: Diploid cotton Gossypium herbaceum has wide adaptability and high degree of resistance to biotic and abiotic stresses.Development of diploid cotton varieties suitable for 40s count yarn will make them more remunerative to diploid cotton growers.In this regard a study on genetic introgression through inter-specific hybridization was initiated using G. barbadense tetraploidcotton to improve fiber strength of G. herbaceum cotton. Pedigree selection from F2 to F11 was practiced. These F11 lines wereevaluated at ARS, Dharwad Farm, during 2009-10 in Augmented Design-II. Observations on fiber traits, seed cotton yield andginning outturn were recorded and analysed using Windostat version 8.5. Seed cotton yield ranged from 801 to 3037 kg/ha with832.38 per cent GCV, 100 per cent heritability and 42.71 per cent genetic advance as per cent mean. Range for ginning outturnwas 20.70 to 42.50 per cent with 25 per cent heritability, 13.93 per cent GCV and 18.84 per cent genetic advance as per centmean. Recorded fibre strength was in the range of 15.42 to 20.67 g/tex with variability parameters like 10.36 per cent GCV, 86per cent heritability and 5.98 per cent genetic advance as per cent mean. The value for 2.5 % span length ranged from 23.87 to29.52 mm with 9.38 per cent GCV, 72 per cent heritability and 5.24 per cent genetic advance as per cent mean. The sevenselections PSCCOL-15, 30, 31, 32, 36, 53 and 62 recorded significantly higher seed cotton yield than DLSa-17 (1124 kg/ha) andsuperior fiber traits than DDhC-11 (17.10 g/tex, 24.00 mm) commercial diploid cotton varieties. These selections recorded 49 to125 per cent yield increase over DLSa-17. It indicates the possibility of improvement in both seed cotton yield and fibre qualitytraits of G. herbaceum cotton through inter-specific hybridization using tetraploid cotton G. barbadense as a donor parent.
A New Framework for Online Business Teaching  [PDF]
Cristina Nistor, Prashanth Nyer
Open Journal of Business and Management (OJBM) , 2018, DOI: 10.4236/ojbm.2018.63044
Abstract:
Recently, business education has experienced an expansion of online education programs. In this paper, we propose a framework to improve the effectiveness of student learning in an online lecture format. In particular, we focus on business courses, which tend to be hard to replicate online as they rely on team work and applied logical thinking in addition to the learning of facts and theory. We identify two main areas that are vital to online business education: competition and community building among students. We argue these are an additional task for the instructor to deliberately perform in an online setting, compared to what often occurs organically in a traditional in-class setting.
The Case for Showrooming  [PDF]
Cristina Nistor, Prashanth Nyer
American Journal of Industrial and Business Management (AJIBM) , 2018, DOI: 10.4236/ajibm.2018.87112
Abstract: Showrooming has deeply affected the retail market in the past decade. As consumers became able to easily compare prices on their mobile devices, they started using retail stores to try on and experience products and then they ordered online the lower priced versions they liked best to be delivered directly to their homes. As retailers are trying to adapt to the showrooming challenges and the shift to online purchases, stores are increasingly adopting showrooming as a new selling format. We present examples of successful showrooming and develop a framework for when the new selling format can be expected to be used.
Hypo, hype and ’hyp’ human proteins
Prashanth Suravajhala
Bioinformation , 2007,
Abstract: Genes with unknown function are called orphan genes while their transcripts and peptides are called hypothetical proteins. There are many genes and their associated proteins that remain uncharacterized in the human genome. A database of human hypothetical proteins with ascribed functions could be helpful for biologists to search for potential proteins of interest. In recent years, the rapid completion of genome sequences has created essential information to link genes to gene products. In order to better explain functions for un-annotated proteins we designed BioinformaTRICKS (an open source) and used it to develop a database called HYPO. The database is available for free at http://pc-dugong.ruc.dk:8080.
Aortic Root Abscess Presenting as Pyrexia of Unknown Origin and the Importance of Echocardiography
Prashanth Panduranga
Case Reports in Critical Care , 2013, DOI: 10.1155/2013/636519
Abstract: Aortic root abscess in patients with aortic endocarditis is not uncommon. Aortic root abscess may cause persistent sepsis, worsening heart failure, conduction abnormalities, fistula formation, and an increased need for surgery. We present a young patient with aortic root abscess presenting as pyrexia of unknown origin. She had acute severe aortic and mitral regurgitation which produced very soft murmurs that were easily missed. This report reiterates that a high index of suspicion is needed in suspecting valvular endocarditis as well as a comprehensive transthoracic and transesophageal echocardiographic examination to diagnose complications like aortic root abscess. 1. Introduction Aortic root abscess in patients with aortic endocarditis is not uncommon. Aortic root abscess may cause persistent sepsis, heart failure, conduction abnormalities, fistula formation, and an increased need for surgery. We present a young patient with aortic root abscess presenting as pyrexia of unknown origin that was diagnosed by echocardiography. 2. Case A 26-year-old female with no past medical problems was admitted to critical care unit of our hospital with history of intermittent high-grade fever (39-40°C) for 3-week duration. She was extensively investigated in other hospitals with results yielding negative blood culture, autoimmune profile, and immunodeficiency profile. She was diagnosed to have pyrexia and sepsis of unknown origin. She had received multiple antibiotics during this period from other hospitals. Apparently previous cardiac examination was normal. Clinically she was febrile, tachycardic, tachypneic, and hypotensive. Chest X-ray showed pulmonary edema. Careful clinical examination revealed elevated jugular venous pressure, soft aortic early diastolic murmur, and a soft pan systolic murmur at apex. ECG showed sinus rhythm with normal PR interval. An urgent bedside transthoracic echocardiogram (TTE) revealed dilated left ventricle, large vegetation attached to base of anterior mitral leaflet with severe mitral and aortic regurgitation with EF 45%. The aortic valve looked edematous, but no clear-cut aortic root abscess was seen. The valves were thickened suggesting rheumatic etiology. Laboratory investigations revealed anemia, leucocytosis with markedly elevated inflammatory markers. She was immediately shifted to OR, and a transesophageal echocardiogram (TEE) confirmed TTE findings. In addition there was an aortic root abscess behind the noncoronary cusp (Figure 1) along with perforation of anterior mitral leaflet with severe aortic and mitral regurgitation
Optimization Approach for Detecting the Critical Data on a Database
Prashanth Alluvada
Computer Science , 2008,
Abstract: Through purposeful introduction of malicious transactions (tracking transactions) into randomly select nodes of a (database) graph, soiled and clean segments are identified. Soiled and clean measures corresponding those segments are then computed. These measures are used to repose the problem of critical database elements detection as an optimization problem over the graph. This method is universally applicable over a large class of graphs (including directed, weighted, disconnected, cyclic) that occur in several contexts of databases. A generalization argument is presented which extends the critical data problem to abstract settings.
Color Perception: Opening up the Chromaticity Cone
Prashanth Alluvada
Quantitative Biology , 2013,
Abstract: In the XYZ color space, the subset of the tri-stimuli corresponding to spike-type (monochromatic) impingement of energy is the chromaticity cone, CC. Using a family of concentric spheres, we describe a nonlinear transformation over the CC and construct a bijection from the CC onto the flat plane. In the process, we open up the CC and view it as a chart on the plane. Because the map is a bijection, the color perception information is preserved (invariant) through the transformation. We discuss stereographic projection of the chromaticity chart and some examples.
Analytical Equations to the Chromaticity Cone: Algebraic Methods for Describing Color
Prashanth Alluvada
Quantitative Biology , 2008,
Abstract: We describe an affine transformation on the (CIE) color matching functions and map the spectral locus as a circle. We then homogenize the right circular cylinder erected by the circle, with respect to a normalizing plane and develop an analytical equation to the chromaticity cone, for the spectral colors. In the interior of the (CIE) chromaticity diagram, by homogenizing elliptic cylinders with respect to the normalizing planes, analytical equations to subsets (also cones) of the chromaticity cone are developed. These equations provide an algebraic method for describing color perception. As an application of the interior chromaticity cones, we demonstrate that by sectioning homogenized cones with planes and projecting, analytical equations to the Macadam ellipses may be derived. Further, the cone equations are used to propose new types of color order systems.
Catastrophic Cardiac Amyloidosis
Prashanth Panduranga,Mohammed Mukhaini
Cardiology Research and Practice , 2011, DOI: 10.4061/2011/479314
Abstract: We report a case of a 61-year-old patient presenting with cardiogenic shock. His echocardiogram suggested typical features of cardiac amyloidosis. This case demonstrates that cardiac amyloidosis can present acutely and may be catastrophic.
Sparse Classifier Design Based on the Shapley Value
Prashanth Ravipally,Dinesh Govindaraj
Lecture Notes in Engineering and Computer Science , 2010,
Abstract:
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